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ClinicalTrials.gov public records Last synced Oct 12, 2026, 12:22 AM EDT

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Showing 121–144 of 267 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Opioid Pain Medication Clear all
Completed Phase 4 Interventional Results available

The Impact of Sublingual Sufentanil on Postoperative Pain and Analgesic Requirements in Spine Surgery Patients

NCT04263909
View directory record Official record
Conditions
Spine Fusion, Pain, Postoperative, Opioid Use
Interventions
Sublingual Tablet
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 85 Years
Enrollment
199 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 30, 2025 · Synced Oct 12, 2026, 12:22 AM EDT
Completed Phase 4 Interventional Results available

An Open-label Study of Hydromorphone Oral Solution in Subjects Aged 28 Days to 16 Years for Postoperative Pain

NCT00465647
View directory record Official record
Conditions
Postoperative Pain
Interventions
Hydromorphone
Drug
Lead sponsor
Purdue Pharma LP
Industry
Eligibility
28 Days to 16 Years
Enrollment
116 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
14
States / cities
Little Rock, Arkansas • Orange, California • Stanford, California + 10 more
Source: ClinicalTrials.gov public record
Updated Nov 18, 2015 · Synced Oct 12, 2026, 12:22 AM EDT
Completed Not applicable Interventional

Randomized, Double-Blind Cross-Over Trial Of Buprenorphine and Low-Dose Naloxone Versus Buprenorphine

NCT00679458
View directory record Official record
Conditions
Pain
Interventions
buprenorphine and low-dose naloxone, buprenorphine alone
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 7, 2010 · Synced Oct 12, 2026, 12:22 AM EDT
Completed Phase 3 Interventional Results available

An Open-label, 8-week Safety, Efficacy, and Assessment of Cooling Methods for Administration of CNTX-4975-05 for Knee OA

NCT03661996
View directory record Official record
Conditions
Knee Osteoarthritis
Interventions
CNTX-4975-05, Lidocaine without epinephrine, ElastoGel, Breg Ice Water Pump
Drug · Device
Lead sponsor
Centrexion Therapeutics
Industry
Eligibility
40 Years to 95 Years
Enrollment
854 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
28
States / cities
Birmingham, Alabama • Peoria, Arizona • Tucson, Arizona + 24 more
Source: ClinicalTrials.gov public record
Updated Mar 9, 2022 · Synced Oct 12, 2026, 12:22 AM EDT
Completed Not applicable Interventional Results available

A Pilot Study of Switching From One Pain Medication to Another (Opioid Rotation)

NCT00580294
View directory record Official record
Conditions
Pain
Interventions
Oxymorphone
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 3, 2016 · Synced Oct 12, 2026, 12:22 AM EDT
Terminated Phase 4 Interventional Results available

Use of Xtampza ER to Overcome Difficulties in Swallowing Opioid Pills

NCT03588806
View directory record Official record
Conditions
Chronic Pain, Opioid Use, Deglutition
Interventions
Xtampza ER (oxycodone)
Drug
Lead sponsor
Ajay Wasan, MD, Msc
Other
Eligibility
21 Years to 65 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 17, 2020 · Synced Oct 12, 2026, 12:22 AM EDT
Completed No phase listed Observational

A Prospective Investigation of the Risks of Opioid Misuse, Abuse, and Addiction Among Patients Treated With Opioids for the Treatment of Chronic Pain

NCT02751762
View directory record Official record
Conditions
Opioid-Related Disorders, Opiate Addiction, Narcotic Abuse, Drug Abuse
Interventions
Observation Only
Other
Lead sponsor
Member Companies of the Opioid PMR Consortium
Industry
Eligibility
18 Years to 79 Years
Enrollment
3,600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
2
States / cities
Portland, Oregon • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jan 29, 2025 · Synced Oct 12, 2026, 12:22 AM EDT
Completed Phase 1 Interventional

Cognitive-Behavioral Therapy for Pain and Opioid Dependence in Methadone Maintenance Treatment

NCT01334580
View directory record Official record
Conditions
Chronic Pain, Opiate Dependence
Interventions
Cognitive-Behavioral Therapy for Pain and Opioid Dependence, Methadone Drug Counseling
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 3, 2020 · Synced Oct 12, 2026, 12:22 AM EDT
Completed Phase 3 Interventional

A Study of Oxycodone/Naloxone Controlled-release Tablets (OXN) to Assess Analgesic Efficacy and Management of Opioid-induced Constipation (OIC) in Opioid-experienced Subjects With Moderate to Severe Chronic Low Back Pain

NCT01427283
View directory record Official record
Conditions
Low Back Pain
Interventions
Oxycodone/Naloxone controlled-release, Oxycodone HCl controlled-release, Placebo
Drug
Lead sponsor
Purdue Pharma LP
Industry
Eligibility
18 Years and older
Enrollment
450 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
149
States / cities
Alabaster, Alabama • Birmingham, Alabama • Foley, Alabama + 114 more
Source: ClinicalTrials.gov public record
Updated Feb 12, 2015 · Synced Oct 12, 2026, 12:22 AM EDT
Completed Phase 2 Interventional Results available

Parasternal Nerve Block in Cardiac Patients

NCT01826851
View directory record Official record
Conditions
Coronary Artery Disease, Pain, Postoperative
Interventions
Exparel, Placebo
Drug
Lead sponsor
Peter A Knight
Other
Eligibility
18 Years and older
Enrollment
79 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Aug 1, 2018 · Synced Oct 12, 2026, 12:22 AM EDT
Recruiting Phase 4 Interventional

Comparing Analgesic Regimen Effectiveness and Safety for Surgery (CARES) Trial

NCT05722002
View directory record Official record
Conditions
Surgery, Pain, Postoperative
Interventions
NSAID, Opioid, Acetaminophen
Drug
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
900 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
6
States / cities
Ann Arbor, Michigan • Detroit, Michigan • St Louis, Missouri + 3 more
Source: ClinicalTrials.gov public record
Updated Aug 28, 2026 · Synced Oct 12, 2026, 12:22 AM EDT
Completed Phase 3 Interventional

Extension to Safety and Efficacy of Probuphine in the Treatment of Opioid Dependence

NCT00630201
View directory record Official record
Conditions
Opioid Dependence
Interventions
Probuphine (buprenorphine implant)
Drug
Lead sponsor
Titan Pharmaceuticals
Industry
Eligibility
18 Years to 65 Years
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
15
States / cities
Los Angeles, California • National City, California • Jacksonville, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated Dec 31, 2018 · Synced Oct 12, 2026, 12:22 AM EDT
Completed Phase 3 Interventional Results available

Efficacy Study to Evaluate Buprenorphine HCl Buccal Film in Opioid-Experienced Subjects

NCT01675167
View directory record Official record
Conditions
Low Back Pain
Interventions
Buprenorphine, Placebo
Drug
Lead sponsor
BioDelivery Sciences International
Industry
Eligibility
18 Years and older
Enrollment
815 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
66
States / cities
Birmingham, Alabama • Haleyville, Alabama • Mobile, Alabama + 57 more
Source: ClinicalTrials.gov public record
Updated Feb 27, 2017 · Synced Oct 12, 2026, 12:22 AM EDT
Completed No phase listed Observational

An Observational Study of Environmental and SocioEconomic Factors in Opioid Recovery

NCT03604861
View directory record Official record
Conditions
Opioid-use Disorder, Opioid-related Disorders
Interventions
Not applicable - no defined intervention
Other
Lead sponsor
Indivior Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
534 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
35
States / cities
Haleyville, Alabama • Hamilton, Alabama • Little Rock, Arkansas + 30 more
Source: ClinicalTrials.gov public record
Updated Apr 18, 2019 · Synced Oct 12, 2026, 12:22 AM EDT
Withdrawn No phase listed Observational

A Study of Genetic Variation Influencing Pain and Response to Opioid Medications

NCT01293994
View directory record Official record
Conditions
Pain
Interventions
Not listed
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 71 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Nov 22, 2016 · Synced Oct 12, 2026, 12:22 AM EDT
Completed Not applicable Interventional

VR for Pain Management During Adult Burn Dressing Change

NCT04545229
View directory record Official record
Conditions
Pain, Burns
Interventions
VR-based Pain Alleviation Tool (VR-PAT)
Other
Lead sponsor
Nationwide Children's Hospital
Other
Eligibility
18 Years to 70 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 30, 2024 · Synced Oct 12, 2026, 12:22 AM EDT
Active, not recruiting Phase 4 Interventional

Effect of Opioid Infusion Rate on Abuse Liability Potential of Intravenous Hydromorphone for Cancer Pain

NCT04296305
View directory record Official record
Conditions
Hematopoietic and Lymphoid Cell Neoplasm, Malignant Solid Neoplasm
Interventions
Hydromorphone, Placebo Administration, Questionnaire Administration
Drug · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Oct 12, 2026, 12:22 AM EDT
Completed Phase 4 Interventional Results available

Pain Control in Pediatric Posterior Spine Fusion Patients: The Effect of Gabapentin

NCT01977937
View directory record Official record
Conditions
Pain, Postoperative
Interventions
Gabapentin 250mg/5mL NDC:59762-5025-01, Simple Syrup
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
10 Years to 19 Years
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jun 12, 2019 · Synced Oct 12, 2026, 12:22 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Enhancing Medication-based Analgesia in Humans- STUDY 2

NCT04036968
View directory record Official record
Conditions
Pain, Cannabis, Opioid Use
Interventions
Within-subject test of blinded study medications
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 75 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 19, 2023 · Synced Oct 12, 2026, 12:22 AM EDT
Completed Not applicable Interventional

Enhancing Exercise and Psychotherapy to Treat Pain and Addiction in Opioid Use Disorders ("EXPO" Pilot Trial)

NCT04736550
View directory record Official record
Conditions
Opioid-use Disorder, Pain
Interventions
Exercise, Psychotherapy for Pain (I-STOP)
Behavioral
Lead sponsor
Case Western Reserve University
Other
Eligibility
18 Years to 65 Years
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
2
States / cities
Denver, Colorado • Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 24, 2026 · Synced Oct 12, 2026, 12:22 AM EDT
Withdrawn Phase 4 Interventional

Rescue Quadratus Lumborum Blocks for Post-cesarean Pain

NCT04397458
View directory record Official record
Conditions
Morphine, Analgesics, Analgesics, Opioid, Peripheral Nervous System Agents
Interventions
Saline, Bupivacaine, Dexamethasone
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 50 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Nov 3, 2023 · Synced Oct 12, 2026, 12:22 AM EDT
Completed Phase 3 Interventional Results available

An Open-label Extension Study With Flexible Dosing of Extended-release (ER) Tapentadol (CG5503) to Treat Patients With Moderate to Severe Chronic Pain

NCT00487435
View directory record Official record
Conditions
Pain, Osteoarthritis, Low Back Pain
Interventions
Tapentadol (CG5503) Extended Release (ER)
Drug
Lead sponsor
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
Industry
Eligibility
18 Years and older
Enrollment
1,166 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
118
States / cities
Birmingham, Alabama • Hoover, Alabama • Mobile, Alabama + 115 more
Source: ClinicalTrials.gov public record
Updated May 9, 2014 · Synced Oct 12, 2026, 12:22 AM EDT
Completed Not applicable Interventional Results available

Discontinuation From Chronic Opioid Therapy For Pain Using a Buprenorphine Taper

NCT02737826
View directory record Official record
Conditions
Chronic Pain, Opioid Pain Medication
Interventions
Buprenorphine Initiation - Phase I, Gabapentin + Buprenorphine - Phase II, Placebo + Buprenorphine - Phase II, Buprenorphine taper - Phase II
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 70 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Dec 1, 2022 · Synced Oct 12, 2026, 12:22 AM EDT
Completed Not applicable Interventional Results available

Nonpharmacologic Reduction of Periprocedural Distress and Drug Use

NCT03328208
View directory record Official record
Conditions
Dental Anxiety, Dental Pain, Drug Use, Opioid Use
Interventions
Comfort Talk® app, White Noise app
Other
Lead sponsor
Hypnalgesics, LLC
Industry
Eligibility
18 Years and older
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
2
States / cities
Boston, Massachusetts • Brookline, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 30, 2021 · Synced Oct 12, 2026, 12:22 AM EDT